FVXX22 KWBC 131557
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY13/1600Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/014
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION OCCURRED AROUND 10/0730Z AND EMISSIONS
CONTINUE TO OCCUR.
 
OBS ASH DATE/TIME: 13/1502Z
 
OBS ASH CLOUD: SFC/FL160 N1657E13939 N1920E13617 N1847E13200
N1938E12647 N1723E12422 N1333E12900 N1406E13318 N1657E13939
MOVING W 15-20 KNOTS.  
SFC/FL080 5 NM WIDE LINE OF ASH EXTENDING BETWEEN N1621E14540
N1625E14425.  ASH IS MOVING W 20 KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: CURRENT SATELLITE IMAGERY THROUGH 13/1502Z CONTINUES TO
SHOW TWO AREAS OF ASH.  A LARGE AREA OF HIGH LEVEL
ASH..FL160..STARTS APPROXIMATELY 350 NM WEST OF THE SUMMIT AND
CONTINUES WEST APPROXIMATELY 900 NM.  A SMALL LINE OF LOW LEVEL
ASH..FL080..EXTENDS WEST ABOUT 70 NM FROM THE SUMMIT....WALTER 

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY13/2200Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"